CVE-2021-24850 Insert Pages < 3.7.0 - Contributor+ Stored Cross-Site Scripting
Contributors can inject malicious scripts via custom fields in the Insert Pages plugin, potentially compromising other users' sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-24850?
CVE-2021-24850 is a medium-severity cross-site scripting vulnerability in Unknown Insert Pages, published on 17 Nov 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Insert Pages WordPress plugin before 3.7.0 adds a shortcode that prints out other pages' content and custom fields. It can be used by users with a role as low as Contributor to perform Cross-Site Scripting attacks by storing the payload/s in another post's custom fields.
Weakness: CWE-79
Which versions are affected by CVE-2021-24850?
It affects 1 product.
Products include Insert Pages Project Insert Pages.
How do I fix CVE-2021-24850?
No fix has been published for CVE-2021-24850 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-24850 being exploited?
There is no known exploitation of CVE-2021-24850 in the wild and no public exploit code.
Other vulnerabilities in Unknown Insert Pages
Sources
Also known as GHSA-qg2h-c753-hvx6.